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68376867386 = 21910253175499
BaseRepresentation
bin111111101011100101…
…000011001000111010
320112111022010202111212
4333223211003020322
52110013434224021
651224545323122
74640304532412
oct775345031072
9215438122455
1068376867386
1126aa8a60563
12113033364a2
1365a90a2659
14344921d642
151ba2d9285b
hexfeb94323a

68376867386 has 16 divisors (see below), whose sum is σ = 107974620000. Its totient is φ = 32385698928.

The previous prime is 68376867379. The next prime is 68376867491.

68376867386 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301865 + ... + 477363.

It is an arithmetic number, because the mean of its divisors is an integer number (6748413750).

Almost surely, 268376867386 is an apocalyptic number.

68376867386 is a deficient number, since it is larger than the sum of its proper divisors (39597752614).

68376867386 is a wasteful number, since it uses less digits than its factorization.

68376867386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185773.

The product of its digits is 292626432, while the sum is 68.

The spelling of 68376867386 in words is "sixty-eight billion, three hundred seventy-six million, eight hundred sixty-seven thousand, three hundred eighty-six".

Divisors: 1 2 19 38 10253 20506 175499 194807 350998 389614 3334481 6668962 1799391247 3598782494 34188433693 68376867386